B3311331313231311331322331333131133132313311233132313331323132322113221   >>    B331133131323131133132233133313113313231331123313231333132313232211322   <<    B3311331313231311331322331333131133132313311233132313331323132322113223   >>      B3311331313231311331322331333131133132313311233132313331323132322113222   >>